Epicatechin and myostatin: the research behind one of PUMP's more interesting ingredients, and why it's dosed the way it is.
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Pine bark extract in PUMP works on blood flow through a different mechanism to citrulline. Here's the vascular research behind it.
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What L-Citrulline actually does, and why PUMP uses 8g of the pure form instead of citrulline malate.
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Exactly how much caffeine is in STIM, why PUMP has none, and how to choose between them based on training time and tolerance.
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The tingling from beta-alanine (paraesthesia) explained: why it happens, whether it's safe, and how to take the edge off it.
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The only three pre-workout ingredients backed by real evidence: caffeine, beta-alanine and citrulline. What the tingling actually is, and stim vs non-stim explained.
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